Women's World number 2 Ranim El Welily reached the squash World Championship quarters on Wednesday to set up a mouthwatering semi-final against veteran player Nicol David of Malaysia on Thursday.
El Welily defeated England's Victoria Lust 3-1 in the round of 16 in a 42-minute game to join compatriots Nour El-Sherbini, Nouran Gohar and Nour El Tayeb in the last eight.
In the men's tournament, three Egyptians reached the quarters on Wednesday to join already-qualified Mohamed El Shorbagy.
Ali Farag (4) and Marwan El Shorbagy, brother of Mohamed, advanced at the expense of Australia's Cameron Pilley and Frenchman Lucas Serme respectively after claiming easy 3-0 wins. Karim Abdel-Gawad also went through later in the day with a 3-1 win over India's Saurav Ghosal.
Unseeded player Miguel Rodriguez of Colombia stunned World number 7 Tarek Moemen of Egypt in a 3-2 thriller to cause the upset of the day.
The Colombian player will have another Egyptian test in the quarters when he face Ali Farag on Thursday.